"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : Compatibility
Case Name   : 指定参数为character set,部分测试点合理报错
Create At   : 2023/06/02
Owner       : n@ningyali
Description :
        1.建表
        2.指定导入编码格式是sql_ascii
        3.指定导入编码格式是utf8
        4.指定导入编码格式是latin1
        5.指定导入编码格式是gbk
        6.指定导入编码格式错误（ascii）
        7.指定不存在的编码格式
        8.清理环境
Expect      :
        1.创建成功
        2.成功
        3.成功
        4.成功
        5.成功
        6.合理报错
        7.合理报错
        8.成功
History     :
"""
import os
import unittest

from yat.test import Node

from testcase.COMPATIBILITY.GRAMMAR.LOAD. \
    Opengauss_Compatibility_Grammar_Load_Common import LoadData
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Logger import Logger


class LoadData0038(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f'----{os.path.basename(__file__)} start----')
        self.common = Common()
        self.load_data = LoadData()
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.pri_user = Node('PrimaryDbUser')
        self.case_lable = 'load_data_0038'
        self.db_name = f'db_{self.case_lable}'
        self.t_name = f't_{self.case_lable}'
        self.file_path = os.path.join('/home', self.pri_user.ssh_user)
        self.cols = 'c_id int primary key,c_card char(18) unique,' \
                    'c_name varchar(10)'

        text1 = '----pre_step1：创建数据文件；expect:创建成功----'
        self.log.info(text1)
        self.data = "002	123456789987654322	xiaohuaer\n" \
                    "003	123456789987654323	哈哈\n" \
                    "004	123456789987654324	！￥#%"
        res = self.load_data.create_data_file(self.pri_user, self.case_lable,
                                              self.data)
        self.assertTrue(res, '执行失败:' + text1)

        text2 = '----pre_step2：创建兼容B库；expect:创建成功----'
        self.log.info(text2)
        res = self.load_data.create_b_db(self.pri_sh, self.db_name)
        self.assertTrue(res, '执行失败:' + text2)

    def test_load(self):
        text = '----step1：建表；expect：建表成功----'
        self.log.info(text)
        res = self.load_data.create_table(self.pri_sh, self.db_name,
                                          self.t_name, self.cols)
        self.assertTrue(res, '执行失败:' + text)

        text = "----step2：指定导入编码格式是sql_ascii；expect：成功----"
        self.log.info(text)
        f_path = os.path.join(self.file_path, f'{self.case_lable}_1.txt')
        sql1 = f"load data infile '{f_path}' " \
            f"into table {self.t_name} character set 'sql_ascii';" \
            f"select * from {self.t_name};"
        res1 = self.pri_sh.execut_db_sql(sql1, dbname=self.db_name)
        self.log.info(res1)
        rows, _ = self.common.parse_sql_query_res(res1)
        expect = [['2', '123456789987654322', 'xiaohuaer'],
                  ['3', '123456789987654323', '哈哈'],
                  ['4', '123456789987654324', '！￥#%']]
        self.assertEqual(rows, expect, '执行失败' + text)

        text = "----step3：指定导入编码格式是utf8；expect：成功----"
        self.log.info(text)
        sql2 = f"truncate table {self.t_name};" + \
               sql1.replace('sql_ascii', 'utf8')
        res2 = self.pri_sh.execut_db_sql(sql2, dbname=self.db_name)
        self.log.info(res2)
        rows, _ = self.common.parse_sql_query_res(res1)
        self.assertEqual(rows, expect, '执行失败' + text)

        text = "----step4：指定导入编码格式是latin1；expect：成功----"
        self.log.info(text)
        sql3 = sql2.replace('utf8', 'latin1')
        res3 = self.pri_sh.execut_db_sql(sql3, dbname=self.db_name)
        self.log.info(res3)
        rows, _ = self.common.parse_sql_query_res(res1)
        self.assertEqual(rows, expect, '执行失败' + text)

        text = "----step5：指定导入编码格式是gbk；expect：成功----"
        self.log.info(text)
        sql4 = sql2.replace('utf8', 'gbk')
        res4 = self.pri_sh.execut_db_sql(sql4, dbname=self.db_name)
        self.log.info(res4)
        rows, _ = self.common.parse_sql_query_res(res1)
        self.assertEqual(rows, expect, '执行失败' + text)

        text = "----step6：指定导入编码格式错误（ascii）；expect：合理报错----"
        self.log.info(text)
        sql5 = sql2.replace('utf8', 'ascii')
        res5 = self.pri_sh.execut_db_sql(sql5, dbname=self.db_name)
        self.log.info(res5)
        einfo = 'ERROR:  argument to option "encoding" must be a valid ' \
                'encoding name'
        self.assertIn(einfo, res5, '执行失败' + text)

        text = "----step7：指定不存在的编码格式；expect：合理报错----"
        self.log.info(text)
        sql6 = sql2.replace('utf8', 'uta16')
        res6 = self.pri_sh.execut_db_sql(sql6, dbname=self.db_name)
        self.log.info(res6)
        self.assertIn(einfo, res6, '执行失败' + text)

    def tearDown(self):
        self.log.info('----step9：清理环境；expect：清理成功----')
        res = self.load_data.clear_env(self.pri_sh, self.pri_user,
                                       self.db_name,
                                       os.path.join(self.file_path,
                                                    f"{self.case_lable}*"))
        self.assertTrue(res, '执行失败:清理环境')
        self.log.info(f'----{os.path.basename(__file__)} end----')
